export function str2Hump(value){
  if (!value||value.length===0){
    return value
  }

  while (value.indexOf("_")!==-1){
    let i =value.indexOf("_")
    let j = i+1;
    value = value.slice(0,i)+value[j].toUpperCase()+value.slice(j+1)
  }
  return value;

}
